#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int funa(int a, int b) { return(a+ b); }

int funb(int a, int b) { return(a- b); }

int sss(int (*t)(int, int), int x, int y) { return((*t)(x, y)); }

main() {
	int x;
	x= sss(funa, 9, 3);
	x+= sss(funb, 8, 3);
	printf("%d\n", x);
}